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Influence of Oxygen Consumption on Pregnancy Rates of Hanwoo Calves following Embryo Transfer
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  • Influence of Oxygen Consumption on Pregnancy Rates of Hanwoo Calves following Embryo Transfer
  • Influence of Oxygen Consumption on Pregnancy Rates of Hanwoo Calves following Embryo Transfer
저자명
Kim. Hyun,Bok. Nan-Hee,Kim. Sung-Woo,Do. Yoon-Jung,Seong. Hwan-Hoo,Kim. Jae-Hwan,Kim. Dong Hun,Kim. Min-Kyu,Ko. Yeoung-Gyu
간행물명
韓國受精卵移植學會誌
권/호정보
2014년|29권 3호|pp.257-264 (8 pages)
발행정보
한국수정란이식학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Recently, several approaches have been used to measure the oxygen consumption rates of individual embryos, but relationship between oxygen consumption and pregnancy rates of Hanwoo following embryo transfer has not yet been reported. In this study, we investigated the correlation between oxygen consumption rate and pregnancy rates of Hanwoo embryo using a SECM. In addition to, the expression of apoptosis-related genes was determined using real-time PCR by extracting RNA according to the oxygen consumption of in vivo embryo. First, we found that the oxygen consumption significantly increased in blastocyst-stage embryos (blastocyst) compared to early blastocyst stage embryos, indicating that oxygen consumption reflects the embryo quality (Grade I). The oxygen consumption or GI blastocysts were significantly higher than those of GII blastocysts ($10.2{ imes}10^{14}/mol;s^{-1}$ versus $6.4{ imes}10^{14}/mol;s^{-1}$, p<0.05). Pregnant rate in recipient cow was 0, 60 and 80% in the transplantation of embryo with the oxygen consumption of below 10.0, 10.0~12.0 and over $12.0{ imes}10^{14}/mol;s^{-1}$, respectively. Apoptosis regulatory genes, Hsp-70.1 were significantly increased in over-10.0 group than below 10.0 group but in Caspase-3, Bax and P53 gene, there was no significant difference. In conclusion, These results suggest that measurement of oxygen consumption maybe help increase the pregnant rate of Hanwoo embryos.